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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Part of the myocardium is deprived of its blood supply and becomes ______
fibrullation
ischemia
arrhythmias
systole
2. Visceral pericardium
sodium ions and water
medial to the lungs and superior to the diaphragm
epicardium
coronary arteries
3. Endocardium lines the chambers of the heart
coronary veins
is smooth to prevent abnormal clotting within the heart
diastole
closure of the valves
4. Purpose of teh coronary vessels
cardiac output
mediastinum
stroke volume
supply the heart with oxygenated blood
5. First part of the cardia conduction pathway in teh ventircles
bundle of His...
vagus nerves
epicardium
myocardium
6. Irregular heartbeats
tricuspid valve
arrhythmias
SA node
aorta
7. Upper chamber of the heart
right and left atria
mediastinum
bundle of His...
atrium
8. Heart is located here
stroke volume
cardiac output
medial to the lungs and superior to the diaphragm
diastole
9. Normal heart sounds are caused by
systole
closure of the valves
coronary arteries
atrium
10. Amount of blood pumped by a ventricle per beat
vagus nerves
arrhythmias
stroke volume
diastole
11. Narrowing of a valve
atrium
stenosis...
right and left atria
endocardium
12. Heart rate below 60 bpm
supply the heart with oxygenated blood
medial to the lungs and superior to the diaphragm
bradycardia
coronary veins
13. Relaxation
epicardium
cardiac output
bicuspid valve
diastole
14. Heart chambers are lined with this
endocardium
aorta
60-80
right and left atria
15. The chambers of teh heart that receive blood from the veins
ECG
coronary veins
right and left atria
cardiac output
16. Relaxation of chambers of the heart
medial to the lungs and superior to the diaphragm
myocardium
venous return
diastole
17. Veins that return blood to the right atrium
superior and inferior caval veins
cardiac output
SA node
fibrous epicardium
18. The centers that regulate heart rate located in the___
medulla
closure of the valves
bundle of His...
aorta
19. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
medulla
is smooth to prevent abnormal clotting within the heart
sodium ions and water
fibrullation
20. The amount of blood that returns to teh heart
venous return
systole
endocardium
bradycardia
21. Prevents backflow of blood from teh right ventricle to the right atrium
epicardium
arrhythmias
tricuspid valve
is smooth to prevent abnormal clotting within the heart
22. Backflow o fblood from the arteries to the ventricles is prevented by these
SA node
sodium ions and water
aortic and pulmonary semilunar valves
coronary arteries
23. Electical activity of the heart may be depicted in an
systole
ECG
mediastinum
aortic and pulmonary semilunar valves
24. Very rapid and uncoordinated ventricular beat
diastole
coronary arteries
vagus nerves
fibrullation
25. Normal range of heart rate for a healthy adult is _____ bpm
SA node
coronary arteries
fibrullation
60-80
26. Amount of blood pumped by a ventricle in 1 minute
cardiac output
stenosis...
SA node
is smooth to prevent abnormal clotting within the heart
27. Natural pacemaker of the heart
60-80
SA node
ischemia
sodium ions and water
28. Cardiac muscle tissue
supply the heart with oxygenated blood
superior and inferior caval veins
myocardium
closure of the valves
29. Vessel into which the left ventricle pumps blood
venous return
aorta
vagus nerves
diastole
30. Sequence of events in one heartbeat
SA node
cardiac cycle
sodium ions and water
tricuspid valve
31. Changes in blood pressure are detected by
pressoreceptors in teh carotid and aortic sinuses
medial to the lungs and superior to the diaphragm
right and left atria
60-80
32. Contraction of chambers of the heart
superior and inferior caval veins
tricuspid valve
systole
aorta
33. Difference between resting cardiac output adn maximum exercise cardiac output
cardiac cycle
medial to the lungs and superior to the diaphragm
cardiac reserve
aorta
34. Outermost of the pericardial membranes
fibrous epicardium
coronary arteries
bradycardia
fibrullation
35. Nerves that transmit impulses to decrease the heart rate are the ____
arrhythmias
aorta
vagus nerves
SA node
36. 1st branches of teh ascending aorta
tricuspid valve
coronary arteries
cardiac output
medial to the lungs and superior to the diaphragm
37. Contraction
bicuspid valve
cardiac reserve
systole
epicardium
38. Area in the thoracic cavity between the lungs
coronary arteries
mediastinum
fibrous epicardium
aortic and pulmonary semilunar valves
39. Prevents backflow of blood from the left ventricle to the left atrium
fibrullation
bicuspid valve
supply the heart with oxygenated blood
medial to the lungs and superior to the diaphragm
40. Funciton of the serous fluid of teh pericardial membranes
60-80
atrium
venous return
prevent friction as the heart beats
41. Each normal heartbeat is initiated by this
SA node
superior and inferior caval veins
atrium
cardiac cycle
42. Largest artery of the body
ECG
aorta
diastole
tricuspid valve
43. Coronary sinus receives blood directly from this
cardiac cycle
aorta
bundle of His...
coronary veins